Hola a todos, tengo un problema con una aplicación web, el web.xml que tenían estaba lleno porquería, cosas que no se usaban y tal, y lo he estado limpiando. El caso es que ahora al arrancar la aplicación me arroja esta excepción:
Alguna sugerencia?
2007-10-16 12:18:56 StandardContext[/balancer]Excepción arrancando filtro BalancerFilter
java.lang.NoClassDefFoundError: org/apache/commons/digester/Digester
at org.apache.webapp.balancer.RulesParser.createDiges ter(RulesParser.java:65)
at org.apache.webapp.balancer.RulesParser.<init>(Rule sParser.java:43)
at org.apache.webapp.balancer.BalancerFilter.init(Bal ancerFilter.java:79)
at org.apache.catalina.core.ApplicationFilterConfig.g etFilter(ApplicationFilterConfig.java:225)
at org.apache.catalina.core.ApplicationFilterConfig.s etFilterDef(ApplicationFilterConfig.java:308)
at org.apache.catalina.core.ApplicationFilterConfig.< init>(ApplicationFilterConfig.java:79)
at org.apache.catalina.core.StandardContext.filterSta rt(StandardContext.java:3702)
at org.apache.catalina.core.StandardContext.start(Sta ndardContext.java:4329)
at org.apache.catalina.core.ContainerBase.addChildInt ernal(ContainerBase.java:823)
at org.apache.catalina.core.ContainerBase.addChild(Co ntainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(Sta ndardHost.java:595)
at org.apache.catalina.core.StandardHostDeployer.inst all(StandardHostDeployer.java:277)
at org.apache.catalina.core.StandardHost.install(Stan dardHost.java:832)
at org.apache.catalina.startup.HostConfig.deployDirec tories(HostConfig.java:701)
at org.apache.catalina.startup.HostConfig.deployApps( HostConfig.java:432)
at org.apache.catalina.startup.HostConfig.start(HostC onfig.java:983)
at org.apache.catalina.startup.HostConfig.lifecycleEv ent(HostConfig.java:349)
at org.apache.catalina.util.LifecycleSupport.fireLife cycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(Conta inerBase.java:1091)
at org.apache.catalina.core.StandardHost.start(Standa rdHost.java:789)
at org.apache.catalina.core.ContainerBase.start(Conta inerBase.java:1083)
at org.apache.catalina.core.StandardEngine.start(Stan dardEngine.java:478)
at org.apache.catalina.core.StandardService.start(Sta ndardService.java:480)
at org.apache.catalina.core.StandardServer.start(Stan dardServer.java:2313)
at org.apache.catalina.startup.Catalina.start(Catalin a.java:556)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.start(Bootst rap.java:287)
at org.apache.catalina.startup.Bootstrap.main(Bootstr ap.java:425)